An echinoderm is a type of marine invertebrate that generally has radial symmetry with five or more arms and spines, five equal body segments, and tube feet.
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What is an echinoderm?
- Marine Life
- Echinoderms
An echinoderm is a type of marine invertebrate that generally has radial symmetry with five or more arms and spines, five equal body segments, and tube feet.